Updated changelog

Author: jpadrianoGo

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Enhancements
 
 * Adds BETA support for approving all plans for a stack deployment run, which is EXPERIMENTAL, SUBJECT TO CHANGE, and may not be available to all users by @ctrombley [#1136](https://github.com/hashicorp/go-tfe/pull/1136)
+* Adds `DeliveryResponses` parsing in `NotificationConfiguration`, by @jpadrianoGo [#1129](https://github.com/hashicorp/go-tfe/pull/1129)
 
 # v1.83.0